[MADLIB-1214] Improve user docs and examples for tree methods

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: v1.14
• Component/s: Documentation
• Assignee: Frank McQuillan
• Reporter: Frank McQuillan
• Created: 09/Mar/18 00:01
• Updated: 02/Apr/18 19:25
• Resolved: 02/Apr/18 19:25

Description

The following areas could use better explanation and examples in the user documents:

Decision tree

• cross validation
• weights
• surrogates
• tree visualization

Random forest

• variable importance
• sample ratio
• surrogates
• tree visualization